Cookbook/Compilers and interpreters: Difference between revisions

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== GHCi ==
== GHCi ==


== Checking Types ==
{| class="wikitable"
To check the type of an expression or function, use the command `:t'
|-
<haskell>
!  Problem
Prelude> :t x
!  Solution
x :: Integer
!  Examples
|-
|  checking types
|  :t
|<haskell>
Prelude> :t "Hello"
Prelude> :t "Hello"
"Hello" :: [Char]
"Hello" :: [Char]
</haskell>
</haskell>
|-

Revision as of 08:19, 31 August 2009

GHC

GHCi

Problem Solution Examples
checking types :t 
Prelude> :t "Hello"
"Hello" :: [Char]
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